August 2018
Beginner
160 pages
4h 8m
English
Content preview from pytest Quick Start Guide
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Slow tests with --durations
At the start of a project, your test suite is usually blazingly fast, running in a few seconds, and life is good. But as projects grow in size, so do their test suites, both in the number of tests and the time it takes for them to run.
Having a slow test suite affects productivity, especially if you follow TDD and run tests all the time. For this reason, it is healthy to periodically take a look at your longest running tests and perhaps analyze whether they can be made faster: perhaps you are using a large dataset in a place where a much smaller (and faster) dataset would do, or you might be executing redundant steps that are not important for the actual test being done.
When that happens, you will love the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.